If you find yourself in a situation where you just can't remember your own number, you can easily figure it out on an iPhone or Android. Here's how.

You may need to know your Android phone's model number if you're having it repaired or selling it. Here's how to find it, regardless of which Android you own.

To find your phone number on iPhone, you can check the Settings or Phone app. You can also find it on a computer using iTunes. Here's how.

The IMEI number is a unique 15-digit code given to every smartphone. It can help you locate your phone if it's lost or stolen, or remotely lock it down.

Learn how to check your International Mobile Equipment Identity (IMEI) number in various places on iOS and Android. We give you the lowdown on all the options.